Bill Schuette says he filed a brief this week in U.S. District Court in Detroit.

Monaghan’s case is to be heard Thursday. The devout Roman Catholic says contraception is a “gravely immoral” practice. His lawsuit also lists as a plaintiff his Domino’s Farms, an office park outside Ann Arbor.

He has sold most of his controlling stake in Domino’s Pizza.

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Monaghan offers health insurance that excludes contraception and abortion for employees. The new federal law requires employers to offer insurance including contraception coverage or risk fines.

Schuette said in a release Wednesday that the law “will force private sector job-providers across America to violate their conscience.”